CN109139286A - A kind of ceramic coating piston for methane fuelled engine - Google Patents
A kind of ceramic coating piston for methane fuelled engine Download PDFInfo
- Publication number
- CN109139286A CN109139286A CN201810903552.1A CN201810903552A CN109139286A CN 109139286 A CN109139286 A CN 109139286A CN 201810903552 A CN201810903552 A CN 201810903552A CN 109139286 A CN109139286 A CN 109139286A
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- CN
- China
- Prior art keywords
- piston
- annular groove
- slot
- offers
- ceramic coating
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/26—Pistons having combustion chamber in piston head
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/0084—Pistons the pistons being constructed from specific materials
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/10—Pistons having surface coverings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02F—CYLINDERS, PISTONS OR CASINGS, FOR COMBUSTION ENGINES; ARRANGEMENTS OF SEALINGS IN COMBUSTION ENGINES
- F02F3/00—Pistons
- F02F3/16—Pistons having cooling means
- F02F3/20—Pistons having cooling means the means being a fluid flowing through or along piston
- F02F3/22—Pistons having cooling means the means being a fluid flowing through or along piston the fluid being liquid
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
- Cylinder Crankcases Of Internal Combustion Engines (AREA)
Abstract
This patent discloses a kind of ceramic coating pistons for methane fuelled engine, including piston and cylinder, the surface of the piston offers the first annular groove, the second annular groove and third annular groove, the bottom of the piston opens up combuster, the combustor surface is fixedly connected with ceramic oxide layer, and piston pin bore is offered at the top of the piston, and the inside of the piston offers through slot, the inside of the through slot offers interior cold concussion oil duct, and this patent is related to technical field of automobile parts.This is used for the ceramic coating piston of methane fuelled engine, ceramic oxide layer is fixedly connected in combustor surface, it can make the resistance to higher temperature of piston base, rectangular channel is set by the first annular groove, the second annular groove and third annular groove, slip ring can be prevented, the cold concussion oil duct in the inner surface of through slot is arranged can take away more heats, by offering card slot in the outer surface for pushing away slot, skidding can effectively prevent.
Description
Technical field
This patent is related to technical field of automobile parts, specially a kind of ceramic coating piston for methane fuelled engine.
Background technique
Piston is parts reciprocating in Motor Engine Cylinder body.The basic structure of piston can be divided into top, head
Portion and skirt section.Top land is the major part for forming combustion chamber, and shape is related with selected combustion-chamber shape.Gasoline engine
Flat-head piston is mostly used, its advantage is that endotherm area is small.Usually there are various pits, specific shape at the top of diesel engine piston
Shape, position and size must be all adapted with the mixed Daqu of diesel engine and the requirement of burning, and piston is in high temperature, high pressure, height
It works under conditions of speed, insufficient lubrication.Piston is directly contacted with high-temperature gas, and transient temperature is up to 2500K or more, therefore, by
It is hot serious, and radiating condition is very poor, so temperature is very high when pistons work, top is up to 600~700K, and Temperature Distribution is very
Unevenly.
Piston plays an important role in engine cylinder body, and existing methane fuelled engine piston base high temperature strength is not
Enough, original groove structure is that trapezium structure is easy to produce slip ring, and the heat of internal piston is not easy to shed.
Patent content
In view of the deficiencies of the prior art, this patent provides a kind of ceramic coating piston for methane fuelled engine, solves
Existing methane fuelled engine piston base high temperature strength is inadequate, and original groove structure is that trapezium structure is easy to produce cunning
Ring, and internal piston heat is not easy the problem of shedding.
In order to achieve the above object, this patent is achieved by the following technical programs: a kind of pottery for methane fuelled engine
Porcelain coating piston, including piston and cylinder, the surface of the piston offer the first annular groove, the second annular groove and third annular groove, institute
The bottom for stating piston opens up combuster, and the combustor surface is fixedly connected with ceramic oxide layer, opens at the top of the piston
Equipped with piston pin bore, the inside of the piston offers through slot, and the inside of the through slot offers interior cold concussion oil duct.
Preferably, first annular groove, the second annular groove and third annular groove are rectangular channel.
Preferably, the combustion chamber is basin type structure, and the ceramic oxide layer of combustor surface is strong through differential arc oxidization surface
Change processing.
Preferably, the two sides of the piston face are fixedly connected to gib block, and the outer surface of the piston is fixedly connected
There is sliding sleeve.
Preferably, guide groove, the inner surface and guiding of the guide groove are offered between the opposite side of the cylinder
The outer surface of item is slidably connected.
Preferably, it is arranged with sealing ring at the top of the piston, is offered at the top of the piston and pushes away slot, the slot that pushes away
Outer surface offers card slot.
Beneficial effect
This patent provides a kind of ceramic coating piston for methane fuelled engine.Having compared with prior art following has
Beneficial effect:
(1), the ceramic coating piston for being used for methane fuelled engine offers the first annular groove, by the surface in piston
Two annular grooves and third annular groove, the first annular groove, the second annular groove and third annular groove are rectangular channel, and the bottom of piston offers burning
Room, combustor surface are fixedly connected with ceramic oxide layer, and piston pin bore is offered at the top of piston, and the inside of piston offers
Through slot, the inside of through slot offer interior cold concussion oil duct, by the cooperation of above structure, are fixedly connected with pottery in combustor surface
Porcelain oxide layer, can make the resistance to higher temperature of piston base, set rectangle for the first annular groove, the second annular groove and third annular groove
Slot can prevent slip ring, and the cold concussion oil duct in the inner surface of through slot is arranged can take away more heats.
(2), ceramic coating piston for being used for methane fuelled engine, by being arranged with sealing ring, piston at the top of piston
Top offer and push away slot, the outer surface for pushing away slot offers card slot, and the gas of piston and cylinder can be enhanced by the way that sealing ring is arranged
Close property offers card slot in the outer surface for pushing away slot, can effectively prevent skidding.
Detailed description of the invention
Fig. 1 is the internal structure main view of this patent；
Fig. 2 is the external structure main view of this patent；
Fig. 3 is the external structure bottom view of this patent；
Fig. 4 is the external structure top view of this patent.
In figure: 1- piston, the first annular groove of 2-, the second annular groove of 3-, 4- third annular groove, the combustion chamber 5-, 6- piston pin bore, 7-
Cold concussion oil duct, 8- gib block, 9- cylinder, 10- guide groove, 11- sealing ring, 12- through slot, 13- ceramic oxide layer, 14- push away slot,
15- card slot, 16- sliding sleeve.
Specific embodiment
Below in conjunction with the attached drawing in this patent embodiment, the technical solution in this patent embodiment is carried out clear, complete
Site preparation description, it is clear that described embodiment is only this patent a part of the embodiment, instead of all the embodiments.It is based on
Embodiment in this patent, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment belongs to the range of this patent protection.
Fig. 1-4 is please referred to, this patent provides a kind of technical solution: a kind of ceramic coating piston for methane fuelled engine,
Including piston 1 and cylinder 9, the top of piston 1 is arranged with sealing ring 11, and piston 1 and gas can be enhanced by the way that sealing ring 11 is arranged
The air-tightness of cylinder 9, the top of piston 1, which offers, pushes away slot 14, and the outer surface for pushing away slot 14 offers card slot 15, in the appearance for pushing away slot 14
Face offers card slot 15, can effectively prevent skidding, and cylinder 9 offers guide groove 10, guide groove between opposite side
The outer surface of 10 inner surface and gib block 8 is slidably connected, and the two sides on 1 surface of piston are fixedly connected to gib block 8, piston 1
Outer surface be fixedly connected with sliding sleeve 16, sliding sleeve 16 can reduce the frictional force of piston 1 Yu cylinder 9, and the surface of piston 1 offers
First annular groove 2, the second annular groove 3 and third annular groove 4, the first annular groove 2, the second annular groove 3 and third annular groove 4 are rectangular channel, by
One annular groove 2, the second annular groove 3 and third annular groove 4 are set as rectangular channel, can prevent slip ring, and the bottom of piston 1 opens up combuster
5, combustion chamber 5 is basin type structure, and the ceramic oxide layer 13 on 5 surface of combustion chamber is through differential arc oxidization surface intensive treatment, combustion chamber 5
Surface is fixedly connected with ceramic oxide layer 13, is fixedly connected with ceramic oxide layer 13 on 5 surface of combustion chamber, can make 1 bottom of piston
The resistance to higher temperature in portion, the top of piston 1 offer piston pin bore 6, and the inside of piston 1 offers through slot 12, through slot 12
Inside offers interior cold concussion oil duct 7, and the cold concussion oil duct 7 in the inner surface of through slot 12 is arranged can take away more heats.
When work, piston 1 is put into cylinder 9 first, and then piston pin bore 6 and key seat are clamped, then by push rod
Two sides, which stick into, to push away in slot 14, and band piston 1 pumps after starting driving device, and then drives gib block 8 in guide groove
10 pump, and then the sliding sleeve 16 with 1 two sides of piston pumps.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiment of this patent for the ordinary skill in the art can be with
A variety of variations, modification, replacement can be carried out in the case where not departing from the principle and spirit of this patent to these embodiments by understanding
And modification, the range of this patent are defined by the appended claims and the equivalents thereof.
Claims (6)
1. a kind of ceramic coating piston for methane fuelled engine, including piston (1) and cylinder (9), it is characterised in that: the work
The surface of plug (1) offers the first annular groove (2), the second annular groove (3) and third annular groove (4), and the bottom of the piston (1) offers
Combustion chamber (5), combustion chamber (5) surface are fixedly connected with ceramic oxide layer (13), offer work at the top of the piston (1)
The inside of plug pin bore (6), the piston (1) offers through slot (12), and the inside of the through slot (12) offers interior cold concussion
Oil duct (7).
2. a kind of ceramic coating piston for methane fuelled engine according to claim 1, it is characterised in that: described first
Annular groove (2), the second annular groove (3) and third annular groove (4) are rectangular channel.
3. a kind of ceramic coating piston for methane fuelled engine according to claim 1, it is characterised in that: the burning
Room (5) is basin type structure, and the ceramic oxide layer (13) on combustion chamber (5) surface is through differential arc oxidization surface intensive treatment.
4. a kind of ceramic coating piston for methane fuelled engine according to claim 1, it is characterised in that: the piston
(1) two sides on surface are fixedly connected to gib block (8), and the outer surface of the piston (1) is fixedly connected with sliding sleeve (16).
5. a kind of ceramic coating piston for methane fuelled engine according to claim 1, it is characterised in that: the cylinder
(9) it is offered between opposite side guide groove (10), the inner surface of the guide groove (10) and the outer surface of gib block (8)
It is slidably connected.
6. a kind of ceramic coating piston for methane fuelled engine according to claim 1, it is characterised in that: the piston
(1) it is arranged at the top of sealing ring (11), offers and push away slot (14) at the top of the piston (1), the appearance for pushing away slot (14)
Face offers card slot (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903552.1A CN109139286A (en) | 2018-08-09 | 2018-08-09 | A kind of ceramic coating piston for methane fuelled engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810903552.1A CN109139286A (en) | 2018-08-09 | 2018-08-09 | A kind of ceramic coating piston for methane fuelled engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109139286A true CN109139286A (en) | 2019-01-04 |
Family
ID=64792376
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810903552.1A Pending CN109139286A (en) | 2018-08-09 | 2018-08-09 | A kind of ceramic coating piston for methane fuelled engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109139286A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406069Y (en) * | 1999-08-25 | 2000-11-15 | 吉忠祥 | Four-stroke internal combustion engine without air-valve |
| CN1987157A (en) * | 2006-12-09 | 2007-06-27 | 奇瑞汽车有限公司 | Electric control mechanical automatic gearbox gear shifting oil cylinder for automobile |
| CN101063420A (en) * | 2006-04-28 | 2007-10-31 | 上海晨昌动力科技有限公司 | Biogas engine with hot-cavity heat insulation structural |
| CN104487720A (en) * | 2012-07-11 | 2015-04-01 | 卡特彼勒公司 | High-phosphorous electroless nickel (hpen) treatment for bushingless connecting rod |
| CN204552970U (en) * | 2015-04-16 | 2015-08-12 | 襄阳市普创机电设备有限公司 | piston of natural gas engine |
| CN107237702A (en) * | 2016-03-28 | 2017-10-10 | 易安迪机车公司 | For explosive motor and its Piston volume tube of system and method |
| CN207673455U (en) * | 2017-12-29 | 2018-07-31 | 杭州江东内燃机配件有限公司 | A kind of energy-saving piston for automobile engine |
-
2018
- 2018-08-09 CN CN201810903552.1A patent/CN109139286A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2406069Y (en) * | 1999-08-25 | 2000-11-15 | 吉忠祥 | Four-stroke internal combustion engine without air-valve |
| CN101063420A (en) * | 2006-04-28 | 2007-10-31 | 上海晨昌动力科技有限公司 | Biogas engine with hot-cavity heat insulation structural |
| CN1987157A (en) * | 2006-12-09 | 2007-06-27 | 奇瑞汽车有限公司 | Electric control mechanical automatic gearbox gear shifting oil cylinder for automobile |
| CN104487720A (en) * | 2012-07-11 | 2015-04-01 | 卡特彼勒公司 | High-phosphorous electroless nickel (hpen) treatment for bushingless connecting rod |
| CN204552970U (en) * | 2015-04-16 | 2015-08-12 | 襄阳市普创机电设备有限公司 | piston of natural gas engine |
| CN107237702A (en) * | 2016-03-28 | 2017-10-10 | 易安迪机车公司 | For explosive motor and its Piston volume tube of system and method |
| CN207673455U (en) * | 2017-12-29 | 2018-07-31 | 杭州江东内燃机配件有限公司 | A kind of energy-saving piston for automobile engine |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190104 |
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| RJ01 | Rejection of invention patent application after publication |